Visibility at Palam and Safdarjung, Delhi’s two meteorological stations at 5.30 am was meters and 200 meters respectively. At the same time, visibility in Patiala of Punjab and Ganganagar of Rajasthan – meters, while in Churu 50 meter recorded. IMD told that a thick layer of fog appeared in the sky of Punjab, North Rajasthan, Haryana and Delhi. At the same time, some parts of Bihar also remained foggy, while most parts of Uttar Pradesh remained fog free.